Assessment of NASA’s Mars Architecture 2007–2016
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spacecraft, but others will require data from multiple instruments on multiple spacecraft. Investigations are further subdivided into measurements.
The goals and objectives contained in MEPAG’s 2006 listing of priorities are as follows:
Objective A. Assess the past and present habitability of Mars.
Objective B. Characterize carbon cycling in its geochemical context.
Objective C. Assess whether life is or was present on Mars.
Objective A. Characterize Mars’s atmosphere, present climate, and climate processes.
Objective B. Characterize Mars’s ancient climate and climate processes through study of the geologic record.
Objective C. Characterize the state and processes of the martian atmosphere of critical importance for the safe operation of spacecraft.
Objective A. Determine the nature and evolution of the geologic processes that have created and modified the martian crust and surface.
Objective B. Characterize the structure, composition, dynamics, and evolution of Mars’s interior.
Objective A. Obtain knowledge of Mars sufficient to design and implement a human mission with acceptable cost, risk, and performance.
Objective B. Conduct risk and/or cost reduction technology and infrastructure demonstrations in transit to, at, or on the surface of Mars.